On a phase diagram, it can be determined by finding the area under the curve.  The amount of it done on a system can be found by subtracting the amoun
On a phase diagram, it can be determined by finding the area under the curve.  The amount of it done on a system can be found by subtracting the amount of heat added from the internal energy of the system.  Sometimes measured in ergs, it can be found by multiplying the pressure and volume change in a system.  Like torque, it can be expressed in the units Newton-meters, and the rate at which it happens is known as power.  For 10 points, name this physical quantity, the amount of energy needed by a force to move an object a distance.
On a phase diagram, it can be determined by finding the area under the curve.  
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